VOLUMES XXI-XXX. 



445 



CHEMISTRY. 



Alkaline metals, boiling points 

 of, Ruff and Johannsen, 21, 

 78; hydrides of, Moissan, 21, 



77. 

 Alumina, iodometric determina- 

 tion of basic, Moody, 22, 483. 



— with silica, etc., binary sys- 

 tems of, Shepherd and Ran- 

 kin, 28, 293; optical study, 

 Wright, 28, 315. 



Aluminium electrodes, gas from, 

 Hirsch and Soddy, 25, 148. 



Ammonia, action upon ethyl 

 oxalate, Phelps, Weed and 

 Housum, 24, 479. 



— from the eruption of Vesu- 

 vius, Stoklasa, 22, 540. 



— liquid, as a solvent, Bronn, 



21, 79. 



— oxidation of, Schmidt and 

 Bocker, 22, 78. 



Ammonium molybdate, hydroly- 

 sis. Moody, 25, 76. 



— salts, hydrolysis. Moody, 22, 



379- 



— sulphate, decomposition, De- 

 lepine, 21, 247. 



Antimony, modifications. Stock 

 and Siebert, 21, 170. 



— and tin, separation, Czerwek, 



22, 460; Fischer and Thiele, 

 30, 286; Panojotow, 28, 75; 

 Plato, 30, 347. 



Argon, compound of, Fischer 

 and Iliovici, 27, 82; prepara- 

 tion, Fischer and Ringe, 26, 

 511. 



— and helium from malacone. 

 Kitchen and Winterson, 23, 

 141. 



Arsenic, determination, An- 

 drews and Farr, 27, 316; Pal- 

 mer, 29, 399. 



— separation from copper, 

 Gooch and Phelps, 22, 488. 



— trisulphide, reduction, Ehren- 

 feld, 25, 79. 



— and antimony determination. 

 Heath, 25, 513. 



Asbestos, precipitates on, Pen- 

 field and Bradley, 21, 453. 



Atomic weights, new periodic 

 function, Viktor, 27, 186; re- 

 calculation, Clarke, 30, 80; 

 speculations in regard to, 

 Collins, 24, 496. 



Barium, determination, in rocks, 

 Langley, 26, 123. 



CHEMISTRY. 



Barium suboxide, Guntz, 22, 344. 

 Benzoic acid, esterification, 



Phelps and Osborne, 25, 39. 

 Beryllium, estimation. Parsons 



and Barnes, 23, 383. 



— formates, Tantar, 30, 80. 



— and aluminium, separation, 

 Glassmann, 22, 539. 



Bismuth, determination, Staeh- 



ler and Schaffenberg, 21, 171. 

 Boron, determination, Copaux 



and Boiteau, 27, 404. 

 Bromides of barium and radium, 



relative volatility. Stock and 



Heynemann, 29, 79. 

 Bromine fluoride, Lebeau, 21, 



— free, determination, Perkins, 

 29, 338. 



Cadmium amalgams. Smith, 29, 



264. 

 Caesium chromates, Fraprie, 21, 



309. 

 Calcium as an absorbent, Soddy, 



23, 304- 



— hydride, gaseous in acety- 

 lene, 21, 464; preparation of, 

 Jaubert, 21, 464. 



— metasilicate, polymorphic 

 forms, Allen and White, 21, 

 89. 



— salts, complex, d'Ans, 26, 399. 



— and magnesium metasili- 

 cates, relations, Allen and 

 White, 27, I. 



Carbon, action of oxygen, etc., 

 upon, Farup, 22, 344. 



— fusion in the singing arc. 

 La Rosa, 28, 555. 



— monosulphide, Dewar and 

 Jones, 30, 285. 



— oxybromide, von Bartel, 21, 



463- 



— suboxide, Diels and Wolf, 21, 

 396. 



— tetrachloride, action of, Cam- 

 boulives, 30, 286. 



Carbonates, action of, Gutmann, 

 25, 449- 



Cerium, determination, Dietrich, 

 27, 260; Browning and Pal- 

 mer, 26, 83; separation. Brown- 

 ing and Roberts, 29, 45. 



Chlorates, volumetric method 

 for, Knecht, 26, 91. 



Chlorides, potassium-lead, 

 Lorenz and Ruckstuhl, 22, 

 540. 



